Hangzhou Singer Building Material Co., Ltd. was built in 2006. We are a main producer and supplier of PVC rain gutter system and stone coated roofing tile in Hangzhou, China.Our factory covered about 2000square meters,we have 5 inspection people to control the quality of the goods.

Our company is famous for the PVC rain gutter production,It is very hot sell in African nearly 1/3 part of the rain gutter are exported from us.